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Re: New arm design for Simpson style printer.
All components that are dark yellow can be printed, (see attached images). It appears that the hardware part count will be low. I'm designing this robot to fit on existing reprap beds, this will allow...
View ArticleRe: Grounded Experimental Delta Printer
I love the design direction. Exploring feedback.. It seems like the linear range in these designs is spread out enough that something like a linear potentiometer bearing could be useful for some...
View ArticleRe: Sextupteron
Some magnetic ball joint links.. [basdebruijn.com] [basdebruijn.com] [forum.seemecnc.com]
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Re: New arm design for Simpson style printer.
First, I think a complete DLCJ solution for Simpson would be great. It would allow the removal of all the bearings and M8 bolts. Microswitch homing would be good. I don't use custom firmware yet....
View ArticleRe: New arm design for Simpson style printer.
Well, after a quick research the thing I was thinking about is very different from my memory, and there are patents on it... I like the way you're going, and I hope some day you will have the time to...
View ArticleRostock Troubleshooting
Hey 3D friends, unfortunately I need help ones again. My Rostock is fully assembled Extruder and Bed are heating up quickly Temp sensors and endstops are running good But Rostock makes bullshit......
View ArticleRe: Rostock Build with modfied traxxas parts
stratmaster458 Wrote: ------------------------------------------------------- > Also when I send an extrude 5mm command it moves > up in the Z direction like 6 inches before > actuating the...
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Re: Sextupteron
And here... Cylinder magnets and Chromed steel spheres seem to be the most cost effective combo. [picasaweb.google.com]
View ArticleRe: New arm design for Simpson style printer.
On the VRDLCJ image there, are the main arcs circular? Also, I'm curious how you'd drive this. A line across the tip (as Guizmo draws) would let you extend the arm, but how would you contract it? A...
View ArticleRe: New arm design for Simpson style printer.
All the arcs are circular on the Proportion DLCJ Drive. It is a one-way drive. (Simpson just need to extend the arm. Gravity will do the work to contract.) You drive it by a block and tackle between...
View ArticleRe: Grounded Experimental Delta Printer
How would well would this design scale to a 1m build area? Laser cut steel sheets?
View ArticleRe: Rostock Troubleshooting
hi m, i Think, that it can be only a bug in your Firmware (maybe Marlin) or the adjustment for your Stepperdrivers. Better you call me (0049 (0) 1788886712) for Troubleshooting. Your Informations are...
View ArticleRe: Grounded Experimental Delta Printer
I've been exploring feedback too. I think the best option for measuring joint deflection is to build a circular capacitive vernier into the joints. The problem with this approach is two-fold. First,...
View ArticleRe: Rostock Troubleshooting
1.Check for loose pin connections or broken wires 2. Check the rodlength settings in the firmware(rodlength,delta offset,effector offset etc.) 3. you may be try-ing to print outside the printable area...
View ArticleDelta style printer test print?
Hey Guys, I am in the process of gathering the parts to build a mini Kossel and before I did, I was curious if I could get an item or two test printed. I would be willing to pay whatever is reasonable...
View ArticleRe: Rack and Pinion Mini Kossel or Rostock?
Rack and pinion have an issue of Backdrive when powered off when used in the Z axis. I have not built my printer yet, but was curious if the belt drive versions also backdrive when the power is off?...
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Re: New arm design for Simpson style printer.
@Nicholas Seward, Nice looking pair of robot arms! Tks for the explanation, and for stating that the cam form is circular, so your goal is to calculate a radius. Roughly to my unaided eye, it looks...
View ArticleRe: New arm design for Simpson style printer.
Any radius will do. It all depends on how bulky you want the arms. You can technically make your arms half circles. Use the equations I listed above to design around a mechanical advantage (MA). I did...
View ArticleRe: Rack and Pinion Mini Kossel or Rostock?
Leadscrews are too slow (unless you use high speed ones, but those are more expensive than regular old threaded rod)
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